Pharoah Specialties just purchased inventory-management computer software at a cost of $1,771,950. Cost savings from the investment over the next six years will produce the following cash flow stream: $203,340, $253,240, $322,600, $544,250, $782,320, and $604,740. What is the payback period on this investment? (Round answer to 2 decimal places,e.g. 15.25.) Payback period is enter a number of years for the payback period rounded to 2 decimal places